Home / 1,635,507,345.40-2,453,261,018.10-990,534,801.40

Finding the Fourth Proportional to 1,635,507,345.40, 2,453,261,018.10 and 990,534,801.40

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Solution

The fourth proportional to 1,635,507,345.40, 2,453,261,018.10 and 990,534,801.40 is: 1,485,802,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,507,345.40 : 2,453,261,018.10 = 990,534,801.40 : x
  2. Step 2: Convert to fraction form
    1,635,507,345.40/2,453,261,018.10 = 990,534,801.40/x
  3. Step 3: Cross multiply
    1,635,507,345.40x = 2,453,261,018.10 × 990,534,801.40
  4. Step 4: Simplify right side
    1,635,507,345.40x = 2,430,040,415,346,044,928
  5. Step 5: Solve for x
    x = 2,430,040,415,346,044,928/1,635,507,345.40
  6. Step 6: Final answer
    x = 1,485,802,202.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.